import java.util.Queue;
import java.util.Stack;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 98152
 * Date: 2024-07-12
 * Time: 15:07
 */
public class Test {
    public static void main(String[] args) {
        String str = "123";
        char ch = str.charAt(1);
        char ch2 = '2';
        if(ch == ch2) {
            ch = '5';
        }
    }
}
